Bicycle rack unit



FIG. 1 is an isometric view of the bicycle rack unit of this invention, the attachment plate shown in phantom view in the figures is environmental matter which forms no part of the claimed design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a right side elevational view thereof. 

The ornamental design for a bicycle rack unit, as shown and described. 